Home / 18,289.19-27,433.66-5,810.20

Finding the Fourth Proportional to 18,289.19, 27,433.66 and 5,810.20

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Solution

The fourth proportional to 18,289.19, 27,433.66 and 5,810.20 is: 8,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.19 : 27,433.66 = 5,810.20 : x
  2. Step 2: Convert to fraction form
    18,289.19/27,433.66 = 5,810.20/x
  3. Step 3: Cross multiply
    18,289.19x = 27,433.66 × 5,810.20
  4. Step 4: Simplify right side
    18,289.19x = 159,394,968.22
  5. Step 5: Solve for x
    x = 159,394,968.22/18,289.19
  6. Step 6: Final answer
    x = 8,715.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.